prime_gen.h:6:  public: should be indented +1 space inside class PrimeNumberGenerator  [whitespace/indent] [3]
prime_gen.h:12:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:17:  An else should appear on the same line as the preceding }  [whitespace/newline] [4]
prime_gen.h:17:  If an else has a brace on one side, it should have it on both  [readability/braces] [5]
prime_gen.h:28:  Tab found; better to use spaces  [whitespace/tab] [1]
prime_gen.h:37:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
prime_gen.h:39:  Tab found; better to use spaces  [whitespace/tab] [1]
Done processing prime_gen.h
Total errors found: 7